Pet bed



FIG. 1 is a perspective view of the pet bed of the present invention showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a cross sectional view thereof taken on line 6—6 of FIG. 2. 

The ornamental design for a pet bed, as shown and described. 